self-deceiving

[self-di-see-ving, self-]

adjective

1. subject to self-deception; tending to deceive or fool oneself.

   a self-deceiving person.

2. used in deceiving oneself, especially in justifying a false belief, a morally reprehensible act, or the like.

   a self-deceiving argument.

Word History and Origins

Origin of self-deceiving¹

First recorded in 1605–15